Lenovo ThinkCentre A70z - Undetermined Problems

Message/SymptomFRU/Action
Programloadsfromtheharddiskwithaknown-good
diagnosticsdisketteintherst3.5-inchdiskettedrive
1.RunSetupandcheckStartupsequence.
2.DisketteDrive
3.DisketteDriveCable
4.SystemBoard
5.PowerSupply
RPLcomputercannotaccessprogramsfromitsownhard
disk.
1.IfnetworkadministratorisusingLCCMHybrid
RPL,checkstartupsequence:
a.Firstdevice-network
b.Seconddevice-harddisk
2.Harddiskdrive
RPLcomputerdoesnotRPLfromserver
1.Checkstartupsequence
2.CheckthenetworkadapterLEDstatus
Serialorparallelportdevicefailure(systemboardport)1.ExternalDeviceSelf-TestOK?
2.ExternalDevice
3.Cable
4.SystemBoard
Serialorparallelportdevicefailure(adapterport)1.ExternalDeviceSelf-TestOK?
2.ExternalDevice
3.Cable
4.AlternateAdapter
5.SystemBoard
Someorallkeysonthekeyboarddonotwork
1.Keyboard
2.KeyboardCable
3.SystemBoard
Undeterminedproblems
Ifthediagnostictestsdidnotdiagnosethefailureorifthecomputerisinoperative,usetheinformationin
thissection.
Ifthepowersuppliesareworkingcorrectly,dothefollowing:
1.Power-offthecomputer.
2.IfthiscomputerhasaparallelATAharddiskdrive,makesurethattheharddiskdriveisjumperedasa
masterandtheopticaldriveisjumperedasaslave.
3.Removeordisconnectthefollowingcomponents(ifinstalled)oneatatime.
a.Externaldevices(modem,printer,ormouse)
b.Anyadapters
c.Memorymodules
d.Extendedvideomemory
e.ExternalCache
f.ExternalCacheRAM
g.Harddiskdrive
h.Diskettedrive
Chapter7.Symptom-to-FRUIndex63